kacerrandClaude Fable 5
7219eb5a23
Includes solved 02-worker-pool and 09-safe-counter (mutex, atomic, sharded). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01GbnJj9ZqEx9nUvzkjdwfMq
23 lines
383 B
Go
23 lines
383 B
Go
// PREDICT: what are the possible outputs? What's the race here even if it
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// "usually works"? Run with -race a few times.
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package main
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import (
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"fmt"
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"sync"
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)
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func main() {
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var wg sync.WaitGroup
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count := 0
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for i := 0; i < 3; i++ {
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go func() {
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wg.Add(1) // <-- what's wrong with Add here?
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defer wg.Done()
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count++
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}()
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}
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wg.Wait()
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fmt.Println("count:", count)
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}
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